{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"5001240","name":"JS-4","status":"Intermittent","status_date":"2020-10-01","mine_type":"Surface","coal_metal":"M","commodity":"Gold Ore","state":"AK","county":"Fairbanks North Star","nearest_town":"Fox","operator_id":"0189453","operator_name":"Hat Creek Mining LLC","controller_id":"0155883","controller_name":"Michael P  Correa","district":"M7","office":"Anchorage AK Field Office","employees":6,"latitude":64.995,"longitude":-147.535556},"coverage":{"contributingSources":6,"registeredSources":20,"sourceRows":72},"relationships":{"schemaVersion":"realm.temporal-relationships.v1","temporalSemantics":{"validTime":{"granularity":"date","bounds":"inclusive","nullStart":"start date not published in the upstream history row","nullEnd":"open-ended in the upstream history row; not independent proof of present control"},"transactionTime":{"observedAt":"2026-10-13T11:19:05.459773+00:00","meaning":"time the checksum-addressed MDRS artifacts were observed by the PostgreSQL ingestion"},"derivation":{"controllerControlsOperator":"intersection of controller and operator valid-time intervals evidenced through this mine","currentIdentity":"current controller and operator are asserted only by the MDRS Mines snapshot"}},"current":{"mine":{"type":"mine","id":"5001240","name":"JS-4"},"operator":{"type":"operator","id":"0189453","name":"Hat Creek Mining LLC"},"controller":{"type":"controller","id":"0155883","name":"Michael P  Correa"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L13698","name":"Thurman Oil & Mining Inc"},"object":{"type":"mine","id":"5001240","name":"JS-4"},"validFrom":"1950-01-01","validTo":"2020-06-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5001240|L13698|1950-01-01|2020-06-03"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M03432","name":"James L  Thurman"},"object":{"type":"mine","id":"5001240","name":"JS-4"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5001240|M03432|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M03432","name":"James L  Thurman"},"object":{"type":"operator","id":"L13698","name":"Thurman Oil & Mining Inc"},"validFrom":"1950-01-01","validTo":"2020-06-03","current":false,"derived":true,"evidenceMineId":"5001240","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5001240|L13698|1950-01-01|M03432|1950-01-01|129038"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0171095","name":"Hat Creek Mining"},"object":{"type":"mine","id":"5001240","name":"JS-4"},"validFrom":"2020-06-04","validTo":"2023-04-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5001240|0171095|2020-06-04|2023-04-20"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0155883","name":"Michael P  Correa"},"object":{"type":"mine","id":"5001240","name":"JS-4"},"validFrom":"2020-06-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5001240|0155883|2020-06-04|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0155883","name":"Michael P  Correa"},"object":{"type":"operator","id":"0171095","name":"Hat Creek Mining"},"validFrom":"2020-06-04","validTo":"2023-04-20","current":false,"derived":true,"evidenceMineId":"5001240","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5001240|0171095|2020-06-04|0155883|2020-06-04|32320"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0189453","name":"Hat Creek Mining LLC"},"object":{"type":"mine","id":"5001240","name":"JS-4"},"validFrom":"2023-04-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5001240|0189453|2023-04-21|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0155883","name":"Michael P  Correa"},"object":{"type":"mine","id":"5001240","name":"JS-4"},"validFrom":"2023-04-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5001240|0155883|2023-04-21|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0155883","name":"Michael P  Correa"},"object":{"type":"operator","id":"0189453","name":"Hat Creek Mining LLC"},"validFrom":"2023-04-21","validTo":null,"current":true,"derived":true,"evidenceMineId":"5001240","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"5001240|0189453|2023-04-21|0155883|2023-04-21|32321"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2020-10-01","lastDate":"2020-10-01","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":3,"firstDate":"1950-01-01","lastDate":"2023-04-21","metrics":{"recentRows":1,"currentOperatorTenures":1,"completedOperatorTenures":2},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":6,"firstDate":"2021-06-15","lastDate":"2026-06-09","metrics":{"inspectors":6,"recentRows":6,"onSiteHours":21.5,"inspectionHours":74,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"113477","EVENT_NO":"6876680","INSPECTION_BEGIN_DT":"06/09/2026","INSPECTION_END_DT":"06/13/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2026-06-09"},{"SOURCE_ROW_NUMBER":"1084548","EVENT_NO":"6876624","INSPECTION_BEGIN_DT":"10/07/2024","INSPECTION_END_DT":"10/08/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"11.5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2024-10-07"},{"SOURCE_ROW_NUMBER":"597399","EVENT_NO":"6876372","INSPECTION_BEGIN_DT":"08/05/2024","INSPECTION_END_DT":"08/07/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2024-08-05"},{"SOURCE_ROW_NUMBER":"277599","EVENT_NO":"6876467","INSPECTION_BEGIN_DT":"07/08/2023","INSPECTION_END_DT":"07/09/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"3.5","sourceDate":"2023-07-08"},{"SOURCE_ROW_NUMBER":"788565","EVENT_NO":"6876231","INSPECTION_BEGIN_DT":"08/17/2022","INSPECTION_END_DT":"08/18/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14.5","SUM_TOTAL_ON_SITE_HOURS":"4.5","sourceDate":"2022-08-17"},{"SOURCE_ROW_NUMBER":"133397","EVENT_NO":"1146537","INSPECTION_BEGIN_DT":"06/15/2021","INSPECTION_END_DT":"06/15/2021","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"19","SUM_TOTAL_ON_SITE_HOURS":"5.5","sourceDate":"2021-06-15"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":47,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":190,"employees":3,"production":0},"2026-Q1":{"hours":10,"employees":1,"production":0},"2025-Q4":{"hours":10,"employees":1,"production":0},"2025-Q3":{"hours":1050,"employees":3,"production":0},"2025-Q2":{"hours":14,"employees":3,"production":0},"2025-Q1":{"hours":0,"employees":0,"production":0},"2024-Q4":{"hours":20,"employees":1,"production":0},"2024-Q3":{"hours":900,"employees":3,"production":0},"2024-Q1":{"hours":0,"employees":0,"production":0},"2023-Q4":{"hours":70,"employees":3,"production":0},"2023-Q3":{"hours":710,"employees":3,"production":0},"2023-Q2":{"hours":340,"employees":3,"production":0}},"recentRecords":[]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":14,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2020":{"hours":848,"employees":7,"production":0},"2021":{"hours":2161,"employees":4,"production":0},"2022":{"hours":418,"employees":3,"production":0},"2023":{"hours":1140,"employees":3,"production":0},"2024":{"hours":920,"employees":3,"production":0},"2025":{"hours":1074,"employees":3,"production":0},"2026":{"hours":200,"employees":2,"production":0}},"recentRecords":[]},{"id":"msha-mines","name":"Mines","domains":["identity","production","logistics"],"products":["mine identity","status","commodity","location","operator and controller"],"rowCount":1,"firstDate":null,"lastDate":null,"metrics":{},"periods":{},"recentRecords":[]}],"safety":{"href":"/api/v1/mines/5001240/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/5001240/silica","description":"Dedicated silica records, measurements, sample status and trends. Defaults to the snapshot year; use year=all for history."},"externalContext":{"eia":null,"title30":{"snapshot":{"chapterCount":6,"featuredSectionCount":100,"latestAmendedOn":"2026-08-14","latestIssueDate":"2026-08-14","partCount":206,"sectionCount":5954,"upToDateAsOf":"2026-08-19"},"regulations":[],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"5001240","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}